Extrusive-effusive eruption at Bezymianny volcano, Kamchatka, Russia intensified on May 28, 2022, with intense paroxysmal episode and pyroclastic flows. As a result, KVERT raised the Aviation Color Code to Red at 07:26 UTC. Bezymianny was considered extinct before it started erupting in 1955 (VEI 5).
A strong explosive eruption took place at Stromboli volcano, Italy at 14:11 UTC on May 25, 2022. This is the second eruption at the volcano since May 13.
Residents living near Italy’s Vulcano volcano reported the appearance of discolored water in front of Levante Beach on May 22, 2022. The phenomenon started with the appearance of dark and foul-smelling water that soon turned milky-white, as seen in satellite imagery acquired by Sentinel-2.
A new eruption took place at Bezymianny volcano in Russia at 20:34 UTC on May 23, 2022. According to the Tokyo VAAC, ash is rising up to 5.2 km (17 000 feet) above sea level, drifting NW.
The GeoNet earthquake monitoring network has recorded a small swarm of earthquakes at Lake Taupō, New Zealand over the last 2 to 3 weeks. Lake Taupō is a large caldera volcano, a special type of volcano that has rare but unusually large eruptions.
Earthquake activity continues in the Reykjanes/Svartsengi volcanic system, with around 370 earthquakes detected on May 19, 2022.
The seismovolcanic crisis at the Manadas volcanic fissure system in the NW part of São Jorge Island, Azores has entered its third month. A notable change in seismicity was reported on April 6, when volcano-tectonic earthquakes were detected, suggesting the movement of magma at depth. The last confirmed eruption of this volcano took place in 1808 (VEI 1).
Explosive eruption at Russia’s Karymsky volcano continued on May 19, 2022, with two ash columns reaching a height of 8 km (26 250 feet) and 6.7 km (21 980 feet) above sea level. The Aviation Color Code remains Orange.
New activity/unrest was reported for 4 volcanoes from May 11 – 17, 2022. During the same period, ongoing activity was reported for 23 volcanoes.
A strong eruption took place at Ibu volcano, Indonesia at 07:46 UTC on May 16, 2022, ejecting thick gray ash up to 3.8 km (12 240 feet) above sea level. The Aviation Color Code remains at Orange and the Alert Level at 3.